MODEL RELEASED. Blood pressure measurement. Doctor takes the blood pressure of an elderly woman in a hospital bed. The instrument used (behind the patient) is a sphygmomanometer. A black cuff has been inflated around the patient's upper arm until it is tight enough to stop the flow of blood in the main artery. As the cuff is deflated,the systolic pressure of the pumping heart is taken,then the diastolic pressure of the relaxed heart between pumps. Blood pressure is expressed as a difference between these two measurements,in millimetres of mercury (mm Hg). Although blood pressure varies over the day,it is an important measure of bodily health | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mulvehill, Larry |
Bildgröße: | 4611 px × 3108 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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